SilverRocket
Senior Member
I have it too.Car has 3300 miles and did an oil change at 2k. Who knows. Maybe just need to run it harder
I see this as a good sign. Center exhaust is open in Sports+ mode, which usually means heavy throttle (i.e. Italian tune-up). I would like to think this is a function of build up in the exhaust as opposed to driving like a grandma and having it accumulated in/near the engine.
I also think the crackle and pops that are thanks to unburnt fuel are also probably contributing to the soot build up, again only in the center since it goes hand in hand.
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